Troubleshooting - Century 400 Ninja 10070610 Operating Instructions Manual

TROUBLESHOOTING

PROBLEM
Loss of Power
Electrical shock
Vac motor speed varies
or doesn't run
Loss of vacuum
Pump runs no solution
Pump runs, loss of
pressure
Pump will not run
Solution hose fitting hard
to connect
Carpet not getting clean
Carpet too wet
Carpet browning
Solution not flowing
properly
CAUSE
Dead electrical circuit
Faulty power cord
Equipment not grounding
Receptacle not grounded
Internal wiring problem
Worn motor brushes
Motor worn out
Faulty switch
Loose vacuum dome
Crack in dome or poor joint
Lint or dirt clogging
vacuum screen
Loose cuffs on vacuum
hose
Vac motor seals leaking
Floor tool vac chamber
clogged
Vac motor, hose, or dome
gasket
Pump inlet screen plugged
Pump air locked
Internal or external
solution line damaged and
leaking
Internal pump components
wearing out
Note: Operation of pump using a wand or hand tool with an orifice of less than .06
will cause pump to cavitate or pulsate and could result in premature wear of pump
components.
Check valves in pump
head for leaks.
Unit not plugged in
Loose wiring
Corrosion on fittings.
Pressure locked.
Circuit breaker tripped.
Severe soil conditions
Over saturation
Leaving carpet too wet
Too much chemical
Light carpet with no brown
prevention
Solution hose connection
Faulty pump
Faulty floor tool valve
Faulty pump switch
86307580 NINJA1200 01/31/08
SOLUTION
Check building circuit breaker or fuse box.
Replace
Follow grounding instructions exactly
Contact an electrician to check building's wiring
Have a trained service technician check machine's
wiring
Replace
Replace
Replace
Center and seal dome over tank
Replace
With power off clean screen
Tighten cuffs turning counterclockwise
Replace
Wash out with hose. Pick lint out with a wire
Replace
Clean inlet screen
Press trigger to open valve on cleaning wand to
relieve air
Replace
Replace, see pump kit components
Replace or clean valves.
Connect unit to 3 prong grounded outlet
See dealer
Clean with steel wool. Soak in acetic acid (white
vinegar). Lubricate lightly with silicone base lubricant.
Unscrew and push in unloader knob. Connect hoses
before turning on pump
Reset breaker on motor.
Make several passes at right angles to each other.
Use a pre-spray.
Adjust solution pressure to lower settings. Make
several passes without spray
Check for loss of vac pressure
Check label for correct solution concentration
Go over carpet with browning preventative.
Check for positive connection
Repair or replace
Repair or replace
Repair
4-4